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V Y �✓ <br /> V <br /> Activities Planned (Check those that are applicable) <br /> FV <br /> Underground storage tank removal <br /> oversight of soil excavation with backhoe or other equipment <br /> N <br /> Confirmation soil sampling during soil excavation and removal <br /> F, soil gas survey <br /> r X soil boring and soil and groundwater grab sampling <br /> c drilling of wells, including installation, development and sampling of groundwater <br /> and soil <br /> V Groundwater sampling of onsite wells <br /> other: <br /> H <br /> Il. SITE INFORMATION <br /> ~ Site Description: The site is located at 24 South Hunter Street in the city of Stockton (San <br /> Joaquin County), California. The site is a county administration building situated in central <br /> business district. <br /> Unusual Features: Possible underground utility lines. Underground Service Alert(USA)will <br /> be called at least 48 hours prior to site work. Geoprobe operator will be asked to hand auger to <br /> 4 five feet below ground surface (bgs) if drilling near any underground utility lines. <br /> 1, Site Background/History: The site formerly contained one UST. The UST was removed in <br /> 1996 and soil sampling by the remote fill port had been impacted by petroleum hydrocarbons. In <br /> November 1992, Kleinfelder, Inc. performed a subsurface investigation at the site. Analytical <br /> �. results from a field laboratory indicated that soil in the southwest corner of the former USTs had <br /> been impacted by diesel and gasoline hydrocarbons. Groundwater was not encountered at a <br /> maximum drilling depth of 25.5 feet bgs. The extent of impacted soil and groundwater was not <br /> defined. <br /> .. Overall Hazard Level: ❑ Serious ❑ Moderate ■ Low ❑ Unknown <br /> Comments: None <br /> 2 <br /> V <br /> L <br />